]> git.uio.no Git - u/mrichter/AliRoot.git/blame - STRUCT/AliPIPEv0.cxx
git://git.uio.no / u / mrichter / AliRoot.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Introducing Riostream.h
[u/mrichter/AliRoot.git] / STRUCT / AliPIPEv0.cxx
CommitLineData
4c039060 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16/*
17$Log$
b16a1b1e 18Revision 1.23 2002/10/14 14:57:39 hristov
19Merging the VirtualMC branch to the main development branch (HEAD)
20
b9d0a01d 21Revision 1.19.4.2 2002/10/11 08:04:28 hristov
22Updating VirtualMC to v3-09-02
23
24Revision 1.22 2002/09/02 15:29:20 morsch
25Gsbool calls to resolve MANY added (I. Hrivnacova).
26
fddcf8f7 27Revision 1.19.4.1 2002/06/10 15:13:48 hristov
28Merged with v3-08-02
29
30Revision 1.21 2002/05/11 19:14:44 morsch
31PCONE QBEU had last z defined twice.
32
13a638e8 33Revision 1.20 2002/05/02 12:36:43 morsch
34New version of beam-pipe geometry. Ref. AL502206PL
35(used in production readiness report).
36
614dff1c 37Revision 1.19 2002/03/25 12:34:40 morsch
38Obsolete support rollers removed.
39
4a7308f7 40Revision 1.18 2002/02/01 18:02:41 morsch
41Material of beam pipe between inner Be piece and forward detectors
42can be set by SetPipeMaterial(mat), mat = kInox, kAlu, kBe ...
43
765e9e1a 44Revision 1.17 2001/09/24 13:11:50 morsch
45Ion pump and bellows moved out by 15 cm to make space for forward
46detectors.
47
22811e34 48Revision 1.16 2001/05/16 14:57:22 alibrary
49New files for folders and Stack
50
9e1a0ddb 51Revision 1.15 2001/05/02 11:50:18 morsch
52New layout of the non-absorber side provided by Y. Viyogi. Not the final design
53but the prsent most realistic.
54
cd9c4f3a 55Revision 1.14 2001/01/20 16:56:33 morsch
56Put air in connecting tubes and flanges of vacuum pump.
57
14b75006 58Revision 1.13 2001/01/20 16:35:27 morsch
59Increase mother volume for bellows.
60
1416b7f3 61Revision 1.12 2000/12/21 16:41:06 morsch
62Coding convention clean-up (RS3)
63
13391c3e 64Revision 1.11 2000/11/28 16:06:57 morsch
65Undulated beam-pipe replaced by Al-Be (40,60) pipe 1.5 mm thick.
66
2196bc42 67Revision 1.10 2000/11/24 13:00:37 morsch
68- Geometry and materials imported from euclid output
69- include comments
70- better struturing of volume tree
71- improved version of flange close to front absorber
72- more realistic pump materials
73- undulated beam pipe imported from v3.
74
7bd7faf8 75Revision 1.9 2000/10/02 21:28:15 fca
76Removal of useless dependecies via forward declarations
77
94de3818 78Revision 1.8 2000/06/11 12:37:01 morsch
79Coding rule violations corrected
80
b43eb0dc 81Revision 1.7 2000/02/23 16:25:24 fca
82AliVMC and AliGeant3 classes introduced
83ReadEuclid moved from AliRun to AliModule
84
b13db077 85Revision 1.6 1999/09/29 09:24:30 fca
86Introduction of the Copyright and cvs Log
87
4c039060 88*/
89
fe4da5cc 90////////////////////////////////////////////////
91// Beam pipe class /
92////////////////////////////////////////////////
93
fe4da5cc 94#include "AliPIPEv0.h"
95#include "AliRun.h"
7bd7faf8 96#include "AliConst.h"
97#include "AliMagF.h"
94de3818 98#include "AliMC.h"
fe4da5cc 99#include "TSystem.h"
22811e34 100
b16a1b1e 101#include <Riostream.h>
fe4da5cc 102
103ClassImp(AliPIPEv0)
104
105//_____________________________________________________________________________
b8032157 106AliPIPEv0::AliPIPEv0()
fe4da5cc 107{
b43eb0dc 108// Constructor
765e9e1a 109 SetPipeMaterial();
fe4da5cc 110}
111
112//_____________________________________________________________________________
113AliPIPEv0::AliPIPEv0(const char *name, const char *title)
114 : AliPIPE(name,title)
115{
b43eb0dc 116// Constructor
765e9e1a 117 SetPipeMaterial();
fe4da5cc 118}
119
120
121//___________________________________________
122void AliPIPEv0::CreateGeometry()
123{
fe4da5cc 124//Begin_Html
125/*
1439f98e 126<img src="picts/pipe.gif">
fe4da5cc 127*/
128//End_Html
129
130
131//Begin_Html
132/*
1439f98e 133<img src="picts/tree_pipe.gif">
fe4da5cc 134*/
135//End_Html
136
9e1a0ddb 137 if(fDebug) printf("%s: Create PIPEv0 geometry \n",ClassName());
fe4da5cc 138
fe4da5cc 139
7bd7faf8 140 Int_t *idtmed = fIdtmed->GetArray();
22811e34 141 Float_t ppcon[84], ptube[3], pbox[3];
7bd7faf8 142 Int_t i=0;
143
7bd7faf8 144
145 Int_t idrotm[2099];
146 AliMatrix(idrotm[2001],90.,240., 0., 0., 90.,150.);
147 AliMatrix(idrotm[2002],90., 0., 0., 0., 90.,270.);
148 AliMatrix(idrotm[2003],90.,120., 0., 0., 90., 30.);
149 AliMatrix(idrotm[2004],90.,315., 90., 45., 0., 0.);
150 AliMatrix(idrotm[2005],90.,270., 90., 0., 0., 0.);
151 AliMatrix(idrotm[2006],90.,225., 90.,315., 0., 0.);
152 AliMatrix(idrotm[2007],90.,180., 90.,270., 0., 0.);
153 AliMatrix(idrotm[2008],90.,135., 90.,225., 0., 0.);
154 AliMatrix(idrotm[2009],90., 90., 90.,180., 0., 0.);
155 AliMatrix(idrotm[2010],90., 45., 90.,135., 0., 0.);
156 idrotm[2011] = 0;
157 AliMatrix(idrotm[2012],90.,180., 90., 90.,180., 0.);
158 AliMatrix(idrotm[2013],90., 0., 90., 90.,180., 0.);
614dff1c 159//
160// Bellow
161//
22811e34 162// distance between bellows
614dff1c 163 const Float_t dzbb = 9.0;
164// total size of bellow section
165 const Float_t dzb = 15.0;
166// size of undulated region
167 const Float_t dzub = 2.0;
168
169// half-lengths of various beam pipe sections
170// central Be-Pipe
171 Float_t hlenQbbe1 = 40.;
172 Float_t hlenQbbe2 = 36.5;
173 Float_t hlenQbbe = (hlenQbbe1+hlenQbbe2)/2.;
174//
175//
176// Float_t hlenQbt1 = 5.5/2.;
177//
178// Pipe outside central region (non-absober side)
179 Float_t hlenQbab = 157.5;
180//
181// Flange non-absorber side
182 Float_t hlenQb29 = 11.5/2.+1.75 + 5.0;
183//
184// Bellow element
185 Float_t hlenQbe0 = dzb;
186//
187// Inox pipe between Be and Bellow (absorber side)
188 Float_t hlenQb24[3] = {10.5/2., 1.8, 3.3};
189//
190//
191 Float_t hlenQb28 = (800.-hlenQbbe1-2.*hlenQbab-4.*hlenQb29-2.*hlenQbe0)/2.;
192//
193// Position of the pump
194 Float_t zPump = hlenQbbe1+2.*hlenQbab+2.*hlenQb29+dzb;
195//
196// Inner beam pipe radius
197 Float_t RinBe = 2.9;
198 Float_t RinSt = 2.92;
199//
200//
201 Float_t RoutBe = 2.98;
202 Float_t RoutSt = 3.00;
22811e34 203
614dff1c 204
205//
206 Float_t dz;
7bd7faf8 207
fe4da5cc 208//
209// The peam pipe up to the Front Absorber
fe4da5cc 210//
7bd7faf8 211// Mother Volume QBPM
614dff1c 212 ppcon[0] = 0;
213 ppcon[1] = 360;
214 ppcon[2] = 18;
7bd7faf8 215// 1:
614dff1c 216 ppcon[3] = -90.;
217 ppcon[4] = 0.;
218 ppcon[5] = 4.4;
7bd7faf8 219// 2
614dff1c 220 ppcon[6] = -90+2.*hlenQb24[2]+2.8+2.*hlenQb24[1];
221 ppcon[7] = 0.;
222 ppcon[8] = 4.4;
7bd7faf8 223// 3
614dff1c 224 ppcon[9] = ppcon[6];
225 ppcon[10] = 0.;
226 ppcon[11] = 4.1;
22811e34 227// 4
614dff1c 228 ppcon[12] = ppcon[9] + 2. + 2.*dzub+0.2;
229 ppcon[13] = 0.;
230 ppcon[14] = 4.1;
22811e34 231// 5
614dff1c 232 ppcon[15] = ppcon[12];
233 ppcon[16] = 0.;
234 ppcon[17] = 3.2;
22811e34 235// 6
614dff1c 236 ppcon[18] = ppcon[15] + 2.* dzbb-0.4;
237 ppcon[19] = 0.;
238 ppcon[20] = 3.2;
7bd7faf8 239// 7
614dff1c 240 ppcon[21] = ppcon[18];
241 ppcon[22] = 0.;
242 ppcon[23] = 4.1;
7bd7faf8 243// 8
614dff1c 244 ppcon[24] = -44.;
245 ppcon[25] = 0.;
246 ppcon[26] = 4.1;
7bd7faf8 247// 9
614dff1c 248 ppcon[27] = -44.;
7bd7faf8 249 ppcon[28] = 0;
614dff1c 250 ppcon[29] = 3.0;
22811e34 251// 10
614dff1c 252 ppcon[30] = 38.;
7bd7faf8 253 ppcon[31] = 0;
614dff1c 254 ppcon[32] = 3.0;
22811e34 255// 11
614dff1c 256 ppcon[33] = 38.;
7bd7faf8 257 ppcon[34] = 0;
614dff1c 258 ppcon[35] = 3.6;
22811e34 259// 12
614dff1c 260 ppcon[36] = hlenQbbe1+2.*hlenQbab-0.1;
261 ppcon[37] = 0.;
262 ppcon[38] = 3.6;
263// 13
264 ppcon[39] = ppcon[36];
265 ppcon[40] = 0.;
266 ppcon[41] = 3.6;
22811e34 267// 14
614dff1c 268 ppcon[42] = ppcon[39]+2.*hlenQb29-5.;
269 ppcon[43] = 0.;
270 ppcon[44] = 3.6;
271// 15
272 ppcon[45] = ppcon[42];
273 ppcon[46] = 0.;
274 ppcon[47] = 56.;
22811e34 275// 16
614dff1c 276 ppcon[48] = ppcon[45]+2.*dzb+10.;
277 ppcon[49] = 0.;
278 ppcon[50] = 56.;
22811e34 279// 17
614dff1c 280 ppcon[51] = ppcon[48];
22811e34 281 ppcon[52] = 0.;
614dff1c 282 ppcon[53] = 3.6;
22811e34 283// 18
614dff1c 284 ppcon[54] = 800.;
22811e34 285 ppcon[55] = 0.;
614dff1c 286 ppcon[56] = 3.6;
7bd7faf8 287
614dff1c 288 gMC->Gsvolu("QBPM", "PCON", idtmed[kAir], ppcon,57);
289
290
7bd7faf8 291//
cd9c4f3a 292// volume definitions of various sections
293//
cd9c4f3a 294
614dff1c 295//
296// The Vacuum
297 gMC->Gsvolu("QBVA","TUBE", idtmed[kVac], ptube, 0);
298 ptube[0] = 0.0;
299 ptube[1] = RinSt;
300 ptube[2] = (90.-hlenQbbe2)/2.;
301 dz = -90. + ptube[2];
302 gMC->Gsposp ("QBVA", 1, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3);
303 dz = dz + ptube[2];
304
305 ptube[1] = RinBe;
306 ptube[2] = hlenQbbe+hlenQbab;
307 dz = dz + ptube[2];
308 gMC->Gsposp ("QBVA", 2, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3);
309 dz = dz + ptube[2];
310
311 ptube[1] = RinSt;
312 ptube[2] = (800.-hlenQbbe1-2.*hlenQbab)/2.;
313 dz = dz + ptube[2];
314 gMC->Gsposp ("QBVA", 3, "QBPM", 0., 0., dz , 0, "ONLY", ptube, 3);
cd9c4f3a 315
614dff1c 316//
317// Be Pipe in central Alice
318 ptube[0] = RinBe;
319 ptube[1] = RoutBe;
cd9c4f3a 320 ptube[2] = hlenQbbe;
7bd7faf8 321
322 gMC->Gsvolu("QBBE","TUBE", idtmed[kBe], ptube, 3);
7bd7faf8 323
324//
614dff1c 325// Support Ring
7bd7faf8 326//
614dff1c 327 // Mother
328 ppcon[0] = 0;
329 ppcon[1] = 360;
330 ppcon[2] = 6;
331// 1:
332 ppcon[3] = -1.;
333 ppcon[4] = 3.0;
334 ppcon[5] = 3.4;
335// 2
336 ppcon[6] = -0.8;
337 ppcon[7] = 3.0;
338 ppcon[8] = 3.4;
339// 3
340 ppcon[9] = -0.8;
341 ppcon[10] = 3.0;
342 ppcon[11] = 3.2;
343// 4
344 ppcon[12] = 0.8;
345 ppcon[13] = 3.0;
346 ppcon[14] = 3.2;
347// 5
348 ppcon[15] = 0.8;
349 ppcon[16] = 3.0;
350 ppcon[17] = 3.4;
351// 6
352 ppcon[18] = 1.0;
353 ppcon[19] = 3.0;
354 ppcon[20] = 3.4;
7bd7faf8 355
7bd7faf8 356
614dff1c 357 gMC->Gsvolu("QBSR", "PCON", idtmed[kC], ppcon,21);
358 gMC->Gspos("QBSR", 1, "QBPM", 0.0, 0.0, 40., 0, "ONLY");
359 gMC->Gspos("QBSR", 2, "QBPM", 0.0, 0.0, 150., 0, "ONLY");
360 gMC->Gspos("QBSR", 3, "QBPM", 0.0, 0.0, 260., 0, "ONLY");
361 gMC->Gspos("QBSR", 4, "QBPM", 0.0, 0.0,- 46., 0, "ONLY");
7bd7faf8 362//
614dff1c 363// Flange and Fixed Point: non absorber side
7bd7faf8 364//
614dff1c 365// ---------->
366//
367// Mother
368 ppcon[0] = 0;
369 ppcon[1] = 360;
370 ppcon[2] = 4;
371// 1:
372 ppcon[3] = -hlenQb29;
373 ppcon[4] = RinSt;
374 ppcon[5] = 5.8;
375// 2
376 ppcon[6] = ppcon[3]+3.6;
377 ppcon[7] = RinSt;
378 ppcon[8] = 5.8;
379// 3
380 ppcon[9] = ppcon[6];
381 ppcon[10] = RinSt;
382 ppcon[11] = 3.6;
383// 4
384 ppcon[12] = hlenQb29;
385 ppcon[13] = RinSt;
386 ppcon[14] = 3.6;
7bd7faf8 387
614dff1c 388 gMC->Gsvolu("QB29", "PCON", idtmed[kAir], ppcon,15);
7bd7faf8 389
7bd7faf8 390
614dff1c 391// Flange
392 ptube[0] = RinSt;
393 ptube[1] = 5.7;
394 ptube[2] = 1.75;
395 gMC->Gsvolu("QF29","TUBE", idtmed[kInox], ptube, 3);
396 gMC->Gspos("QF29", 1, "QB29", 0.0, 0.0, -hlenQb29+1.75, 0, "ONLY");
397// Pipe
398 ptube[0] = RinSt;
399 ptube[1] = 3.0;
cd9c4f3a 400 ptube[2] = hlenQb29;
614dff1c 401 gMC->Gsvolu("QS29","TUBE", idtmed[kInox], ptube, 3);
402 gMC->Gspos("QS29", 1, "QB29", 0.0, 0.0, 0., 0, "ONLY");
403// Fixed point
404 ptube[0] = RinSt;
405 ptube[1] = 3.5;
406 ptube[2] = 0.3;
407 gMC->Gsvolu("QP29","TUBE", idtmed[kInox], ptube, 3);
408 gMC->Gspos("QP29", 1, "QB29", 0.0, 0.0, -hlenQb29+9.75+3., 0, "ONLY");
22811e34 409
614dff1c 410//
7bd7faf8 411//
cd9c4f3a 412// Inox beam pipe: final section on non-absorber side
7bd7faf8 413
614dff1c 414 ptube[0] = RinSt;
415 ptube[1] = RoutSt;
cd9c4f3a 416 ptube[2] = hlenQb28;
7bd7faf8 417
418 gMC->Gsvolu("QB28","TUBE", idtmed[kInox], ptube, 3);
7bd7faf8 419
2196bc42 420
421// Al-Be (40-60 wgt%, rho=2.7 g/cm**3) beam pipe
422//
614dff1c 423// This section is under study (A.M. 1/2/2002)
765e9e1a 424//
425
614dff1c 426 ptube[0] = RinBe;
765e9e1a 427 if (fPipeMaterial == kAlu) {
428 ptube[1] = 3.0;
429 } else if (fPipeMaterial == kBe) {
614dff1c 430 ptube[1] = RoutBe;
765e9e1a 431 } else if (fPipeMaterial == kInox){
614dff1c 432 ptube[1] = RoutSt;
765e9e1a 433 }
cd9c4f3a 434 ptube[2] = hlenQbab;
2196bc42 435
765e9e1a 436 gMC->Gsvolu("QBAB","TUBE", idtmed[fPipeMaterial], ptube, 3);
2196bc42 437
cd9c4f3a 438// 2.5 mm thick SS tube for hanging pump
614dff1c 439/*
440 ptube[0] = Rin;
7bd7faf8 441 ptube[1] = 3.15;
cd9c4f3a 442 ptube[2] = hlenQb26;
7bd7faf8 443
cd9c4f3a 444 gMC->Gsvolu("QB26","TUBE", idtmed[kInox], ptube, 3);
614dff1c 445*/
7bd7faf8 446//
447// Bellows
fe4da5cc 448//
22811e34 449//
7bd7faf8 450// Mother Volume
614dff1c 451 Float_t pconQBE0[33];
452 pconQBE0[ 0]= 0;
453 pconQBE0[ 1]= 360;
454 pconQBE0[ 2]= 10;
455// 1
456 pconQBE0[ 3]= -dzb;
457 pconQBE0[ 4]= RinSt;
458 pconQBE0[ 5]= RoutSt;
459// 2
460 pconQBE0[ 6]= -dzb+2.;
461 pconQBE0[ 7]= RinSt;
462 pconQBE0[ 8]= RoutSt;
463// 3
464 pconQBE0[ 9]= -dzb+2.;
465 pconQBE0[10]= RinSt;
466 pconQBE0[11]= 4.00;
467// 4
468 pconQBE0[12]= -dzb+2.+2.*dzub;
469 pconQBE0[13]= RinSt;
470 pconQBE0[14]= 4.00;
471// 5
472 pconQBE0[15]= -dzb+2.+2.*dzub;
473 pconQBE0[16]= RinSt;
474 pconQBE0[17]= RoutSt;
475// 6
476 pconQBE0[18]= -dzb+2.+2.*dzub+2.*dzbb;
477 pconQBE0[19]= RinSt;
478 pconQBE0[20]= RoutSt;
479// 7
480 pconQBE0[21]= -dzb+2.+2.*dzub+2.*dzbb;
481 pconQBE0[22]= RinSt;
482 pconQBE0[23]= 4.00;
483// 8
484 pconQBE0[24]= -dzb+2.+4.*dzub+2.*dzbb;
485 pconQBE0[25]= RinSt;
486 pconQBE0[26]= 4.00;
487// 9
488 pconQBE0[27]= -dzb+2.+4.*dzub+2.*dzbb;
489 pconQBE0[28]= RinSt;
490 pconQBE0[29]= RoutSt;
491// 10
492 pconQBE0[30]= +dzb;
493 pconQBE0[31]= RinSt;
494 pconQBE0[32]= RoutSt;
495 gMC->Gsvolu("QBE0", "PCON", idtmed[kAir], pconQBE0, 33);
496//
497// Undulated piece mother
498 ptube[0] = RinSt;
499 ptube[1] = 4.00;
500 ptube[2] = dzub;
7bd7faf8 501 gMC->Gsvolu("QBEM","TUBE", idtmed[kAir], ptube, 3);
614dff1c 502 dz = -dzb+2.+dzub;
503 gMC->Gspos("QBEM", 2 ,"QBE0", 0.0, 0.0, dz, 0 , "ONLY");
504 gMC->Gspos("QBEM", 1 ,"QBE0", 0.0, 0.0, -dz, idrotm[2012], "ONLY");
505//
506 Float_t pund[30];
507 Float_t uw = 0.02;
508 Float_t ur = 2.*dzub-12.*uw;
509 Float_t uz = ur/13.;
510 Float_t ut = uz+uw;
511
512 pund[ 0] = 0;
513 pund[ 1] = 360;
13a638e8 514 pund[ 2] = 8;
614dff1c 515
516 pund[ 3] = -ut;
517 pund[ 4] = RinSt;
518 pund[ 5] = RinSt+uw;
519
520 pund[ 6] = -ut+uz;
521 pund[ 7] = pund[4];
522 pund[ 8] = pund[5];
523
524 pund[ 9] = pund[6];
525 pund[10] = pund[4];
526 pund[11] = 4.0;
527
528 pund[12] = pund[9]+uw;
529 pund[13] = pund[10];
530 pund[14] = pund[11];
531
532 pund[15] = pund[12];
533 pund[16] = 4.0-uw;
534 pund[17] = pund[14];
535
536 pund[18] = pund[12]+uz;
537 pund[19] = pund[16];
538 pund[20] = pund[17];
539
540 pund[21] = pund[18];
541 pund[22] = RinSt;
542 pund[23] = pund[20];
543
544 pund[24] = pund[21]+uw;
545 pund[25] = pund[22];
546 pund[26] = pund[23];
614dff1c 547
13a638e8 548 gMC->Gsvolu("QBEU", "PCON", idtmed[kInox], pund, 27);
614dff1c 549
550 for (i = 0; i < 6; i++)
551 {
552 dz = -dzub+(1+2*i)*ut;
553 gMC->Gspos("QBEU", i+1 ,"QBEM", 0.0, 0.0, dz, 0 , "ONLY");
7bd7faf8 554 }
614dff1c 555 ptube[0] = RinSt;
556 ptube[1] = RinSt+uw;
557 ptube[2] = uz;
558 gMC->Gsvolu("QBEW","TUBE", idtmed[kInox], ptube, 3);
559 gMC->Gspos("QBEW", 1 ,"QBEM", 0.0, 0.0, dzub-uz, 0 , "ONLY");
7bd7faf8 560//
614dff1c 561// BeamPipe
562 gMC->Gsvolu("QBEP","TUBE", idtmed[kInox], ptube, 0);
563 ptube[0] = RinSt;
564 ptube[1] = RoutSt;
565 ptube[2] = 1.;
566 gMC->Gsposp("QBEP", 1 ,"QBE0", 0.0, 0.0, -dzb+1., 0 , "ONLY", ptube, 3);
567 gMC->Gsposp("QBEP", 2 ,"QBE0", 0.0, 0.0, dzb-1., 0 , "ONLY", ptube, 3);
568 ptube[2] = dzbb;
569 gMC->Gsposp("QBEP", 3 ,"QBE0", 0.0, 0.0, 0., 0 , "ONLY", ptube, 3);
570//
571// End undulated part
572//
573//
574// ----> End Bellow
575//
576// **** Placement of various sections on non-absorber side ****
7bd7faf8 577//
cd9c4f3a 578 //
614dff1c 579 // first the beryllium section
580 Float_t zpos = -(hlenQbbe2-hlenQbbe1)/2;
cd9c4f3a 581 gMC->Gspos("QBBE", 1, "QBPM", 0., 0., zpos, 0, "ONLY");
582
583 // next meta-metal transition QBT1 on on-absorber side
614dff1c 584// zpos = zpos + hlenQbbe + hlenQbt1;
585// gMC->Gspos("QBT1", 1, "QBPM", 0., 0., zpos, 0, "ONLY");
cd9c4f3a 586
587 // Aluminium OR Al-be alloy section
614dff1c 588 zpos = hlenQbbe1+hlenQbab;
cd9c4f3a 589 gMC->Gspos("QBAB", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY");
614dff1c 590 //
cd9c4f3a 591 // inox flange at the start of bellow
cd9c4f3a 592 zpos = zpos + hlenQbab + hlenQb29;
614dff1c 593 gMC->Gspos("QB29", 1, "QBPM", 0.0, 0.0, zpos, idrotm[2012], "ONLY");
594 //
cd9c4f3a 595 // bellow section
cd9c4f3a 596 zpos = zpos + hlenQb29 + hlenQbe0;
614dff1c 597 gMC->Gspos("QBE0", 2 ,"QBPM", 0.0, 0.0, zpos, 0, "ONLY");
598 //
cd9c4f3a 599 // inox flange at the end of bellow and start of thick inox for pump
cd9c4f3a 600 zpos = zpos + hlenQbe0 + hlenQb29;
614dff1c 601 gMC->Gspos("QB29", 2, "QBPM", 0.0, 0.0, zpos, 0, "ONLY");
602 //
cd9c4f3a 603 //last inox section till 800 cm
cd9c4f3a 604 zpos = zpos + hlenQb29 + hlenQb28;
605 gMC->Gspos("QB28", 1, "QBPM", 0.0, 0.0, zpos, 0, "ONLY");
614dff1c 606
cd9c4f3a 607//******** end of placement on no-absorber side *********
608
609 //
610 // **** Absorber side *****
611 //
612 //
614dff1c 613/*
cd9c4f3a 614 // metal-metal transition : Be-Alu on absorber side
615 // Mother Volume
616 ptube[0] = 2.900;
617 ptube[1] = 4.200;
618 ptube[2] = 2.750;
619 gMC->Gsvolu("QBT2","TUBE", idtmed[kAir], ptube, 3);
620 // z = 43.3 - 48.8
621 gMC->Gspos("QBT2", 1, "QBPM", 0., 0., -hlenQbbe-ptube[2], idrotm[2012], "ONLY");
622
623 ptube[0] = 2.900;
624 ptube[1] = 3.150;
625 ptube[2] = 0.375;
626 //
627 // Be-part
628 gMC->Gsvolu("QB02","TUBE", idtmed[kAlu], ptube, 3);
629
630 ptube[1] = 3.000;
631 gMC->Gsvolu("QBA2","TUBE", idtmed[kBe], ptube, 3);
632
633 gMC->Gspos("QBA2", 1, "QB02", 0., 0., 0, 0, "ONLY");
634// z = -2.75 -> -2.00
635 gMC->Gspos("QB02", 1, "QBT2", 0., 0.,-2.75+ptube[2], 0, "ONLY");
636
637 // Alu part
638 ptube[0] = 2.900;
639 ptube[1] = 3.150;
640 ptube[2] = 2.375;
641// z = -2.00 -> 2.75
642 gMC->Gsvolu("QB04","TUBE", idtmed[kAlu], ptube, 3);
643 gMC->Gspos("QB04", 1, "QBT2", 0., 0.,-2.+ptube[2], 0, "ONLY");
644
645
646 ptube[0] = 3.15;
647 ptube[1] = 3.50;
648 ptube[2] = 0.10;
649// z = 2.55 -> 2.75
650 gMC->Gsvolu("QB06","TUBE", idtmed[kAlu], ptube, 3);
651 gMC->Gspos("QB06", 1, "QBT2", 0., 0., 2.55+ptube[2], 0, "ONLY");
652
653
654 // Fixation
655 ptube[0] = 0.0;
656 ptube[1] = 0.1;
657 ptube[2] = 0.5;
658
659 gMC->Gsvolu("QBA8","TUBE", idtmed[kInox], ptube, 3);
660 gMC->Gspos("QBA8", 1 ,"QBT2", 0.000, 3.650, -1.25, idrotm[2002], "ONLY");
661 gMC->Gspos("QBA8", 2 ,"QBT2", 3.161, -1.825, -1.25, idrotm[2001], "ONLY");
662 gMC->Gspos("QBA8", 3 ,"QBT2", -3.161, -1.825, -1.25, idrotm[2003], "ONLY");
663
664 // Carbon ring
665 ptube[0] = 3.15;
666 ptube[1] = 4.10;
667 ptube[2] = 0.55;
668
669 gMC->Gsvolu("QB77","TUBE", idtmed[kC], ptube, 3);
670
671 ptube[0] = 3.15;
672 ptube[1] = 3.50;
673 ptube[2] = 0.10;
674 gMC->Gsvolu("QBB7","TUBE", idtmed[kInox], ptube, 3);
675 gMC->Gspos("QBB7", 1, "QB77", 0.0, 0.0, 0.55-0.2, 0, "ONLY");
676 gMC->Gspos("QB77", 1, "QBT2", 0.0, 0.0, 2., 0, "ONLY");
614dff1c 677 */
678//
679// Beam pipes between elements
680//
cd9c4f3a 681
614dff1c 682 gMC->Gsvolu("QB24","TUBE", idtmed[kInox], ptube, 0);
683 ptube[0] = RinSt;
684 ptube[1] = RoutSt;
685 ptube[2] = hlenQb24[0];
686 dz = hlenQbbe2 + ptube[2];
687 gMC->Gsposp("QB24", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3);
688//
689// Bellow on absorber side
690 dz = dz+hlenQb24[0] + dzb;
691 gMC->Gspos("QBE0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY");
692//
693 ptube[2] = hlenQb24[1];
694 dz = dz + dzb + ptube[2];
695 gMC->Gsposp("QB24", 2 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3);
696 dz = dz + ptube[2];
7bd7faf8 697
7bd7faf8 698//
7bd7faf8 699// Flange
700//
701// Mother Volume
614dff1c 702 ptube[0] = RinSt;
7bd7faf8 703 ptube[1] = 4.300;
614dff1c 704 ptube[2] = 1.4;
7bd7faf8 705
614dff1c 706 gMC->Gsvolu("QFA0","TUBE", idtmed[kInox], ptube, 3);
707 dz = dz + ptube[2];
708 gMC->Gspos("QFA0", 1 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY");
709 dz = dz + ptube[2];
7bd7faf8 710//
614dff1c 711//
712 ptube[0] = RinSt;
713 ptube[1] = RoutSt;
714 ptube[2] = hlenQb24[2];
715 dz = dz + ptube[2];
716 gMC->Gsposp("QB24", 3 ,"QBPM", 0.0, 0.0, -dz, 0, "ONLY", ptube, 3);
cd9c4f3a 717
718
fe4da5cc 719// --- Place the PIPE ghost volume (QBPM) in its mother volume (ALIC)
cd9c4f3a 720// by rotating it to 180 deg. and make it invisible
fe4da5cc 721//
7bd7faf8 722 gMC->Gspos("QBPM",1,"ALIC",0,0,0,idrotm[2013], "ONLY");
fddcf8f7 723 gMC->Gsbool("QBPM", "L3DX");
724 gMC->Gsbool("QBPM", "L3O3");
725 gMC->Gsbool("QBPM", "L3O4");
7bd7faf8 726
cd9c4f3a 727
7bd7faf8 728//
cd9c4f3a 729// ******** Ion Pump volume description starts here ******
7bd7faf8 730//
7bd7faf8 731 //
732 // Getters ->
733 pbox[0] = 6.50;
734 pbox[1] = 6.75;
735 pbox[2] = 15.60;
736 gMC->Gsvolu("QI32","BOX", idtmed[kInox], pbox, 3);
737
738 pbox[0] = 5.90;
739 pbox[1] = 6.15;
740 pbox[2] = 15.00;
741 gMC->Gsvolu("QI42","BOX", idtmed[kGetter], pbox, 3);
742 gMC->Gspos("QI42", 1, "QI32", 0.0, 0.0, 0.0, 0, "ONLY");
743// <-
744
745 ptube[0] = 0.0;
746 ptube[1] = 19.0;
747 ptube[2] = 2.5;
748 gMC->Gsvolu("QI33","TUBE", idtmed[kInox], ptube, 3);
749
750
751 ptube[0] = 0.0;
752 ptube[1] = 15.0;
753 ptube[2] = 2.5;
14b75006 754 gMC->Gsvolu("QI43","TUBE", idtmed[kAir], ptube, 3);
7bd7faf8 755 gMC->Gspos("QI43", 1, "QI33", 0.0, 0.0, 0.0, 0, "ONLY");
756//
757// Connecting tube ->
758 ptube[0] = 0.0;
759 ptube[1] = 5.4;
cd9c4f3a 760 ptube[2] = 14.6;
7bd7faf8 761 gMC->Gsvolu("QI34","TUBE", idtmed[kInox], ptube, 3);
762
763 ptube[0] = 0.0;
764 ptube[1] = 4.8;
cd9c4f3a 765 ptube[2] = 14.6;
14b75006 766 gMC->Gsvolu("QI44","TUBE", idtmed[kAir], ptube, 3);
7bd7faf8 767 gMC->Gspos("QI44", 1, "QI34", 0.0, 0.0, 0.0, 0, "ONLY");
768// <-
769
770 //
771 // Flange ->
cd9c4f3a 772 ptube[0] = 5.41;
7bd7faf8 773 ptube[1] = 7.30;
774 ptube[2] = 2.15;
775 gMC->Gsvolu("QI35","TUBE", idtmed[kInox], ptube, 3);
7bd7faf8 776// <-
cd9c4f3a 777 gMC->Gspos("QI32", 1, "QBPM", 0.0, -44.25, zPump, 0, "ONLY");
778 gMC->Gspos("QI33", 1, "QBPM", 0.0, -35.00, zPump,idrotm[2002], "ONLY");
779 gMC->Gspos("QI34", 1, "QBPM", 0.0, -17.90, zPump,idrotm[2002], "ONLY");
780 gMC->Gspos("QI35", 1, "QBPM", 0.0, -24.35, zPump,idrotm[2002], "ONLY");
fe4da5cc 781
22811e34 782 gMC->Gsatt("QBPM", "SEEN", 1);
783 gMC->Gsatt("QBEM", "SEEN", 1);
fe4da5cc 784}
785
cd9c4f3a 786
fe4da5cc 787
788//___________________________________________
789void AliPIPEv0::CreateMaterials()
790{
7bd7faf8 791 //
13391c3e 792 // Define materials for beam pipe
7bd7faf8 793 //
13391c3e 794
9e1a0ddb 795 if(fDebug) printf("%s: Create PIPEv0 materials \n",ClassName());
7bd7faf8 796 Int_t isxfld = gAlice->Field()->Integ();
797 Float_t sxmgmx = gAlice->Field()->Max();
2196bc42 798 // Steel (Inox)
7bd7faf8 799 Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
800 Float_t zsteel[4] = { 26.,24.,28.,14. };
801 Float_t wsteel[4] = { .715,.18,.1,.005 };
2196bc42 802 // AlBe - alloy
803 Float_t aAlBe[2] = { 26.98, 9.01};
804 Float_t zAlBe[2] = { 13.00, 4.00};
805 Float_t wAlBe[2] = { 0.4, 0.6};
806
7bd7faf8 807 //
808 // Berillium
809 AliMaterial(5, "BERILLIUM$", 9.01, 4., 1.848, 35.3, 36.7);
810 //
811 // Carbon
812 AliMaterial(6, "CARBON$ ", 12.01, 6., 2.265, 18.8, 49.9);
813 //
814 // Aluminum
815 AliMaterial(9, "ALUMINIUM$", 26.98, 13., 2.7, 8.9, 37.2);
816 //
817 // Air
818 AliMaterial(15, "AIR$ ", 14.61, 7.3, .001205, 30423.24, 67500.);
819 //
820 // Vacuum
821 AliMaterial(16, "VACUUM$ ", 1e-16, 1e-16, 1e-16, 1e16, 1e16);
822 //
823 // stainless Steel
824 AliMixture(19, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
825 //
826 // reduced density steel to approximate pump getter material
827 AliMixture(20, "GETTER$", asteel, zsteel, 1.00, 4, wsteel);
2196bc42 828 // Al-Be alloy
829 //
830 AliMixture(21, "AlBe$", aAlBe, zAlBe, 2.07, 2, wAlBe);
7bd7faf8 831 //
832 // ****************
833 // Defines tracking media parameters.
834 //
835 Float_t epsil = .001; // Tracking precision,
836 Float_t stemax = -0.01; // Maximum displacement for multiple scat
837 Float_t tmaxfd = -20.; // Maximum angle due to field deflection
838 Float_t deemax = -.3; // Maximum fractional energy loss, DLS
839 Float_t stmin = -.8;
840 // ***************
841 //
842 // Beryllium
843
844 AliMedium(5, "BE", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
845
846 // Carbon
847 AliMedium(6, "C", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
848 //
849 // Aluminum
850 AliMedium(9, "ALU", 9, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
851 //
852 // Air
853 AliMedium(15, "AIR", 15, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
854 //
855 // Vacuum
856 AliMedium(16, "VACUUM", 16, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
857 //
858 // Steel
859 AliMedium(19, "INOX", 19, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
860 //
861 // Getter
862 AliMedium(20, "GETTER", 20, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
2196bc42 863 //
864 // AlBe - Aloy
865 AliMedium(21, "AlBe" , 21, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
866
fe4da5cc 867}
868
869
fe4da5cc 870
871
872
873
874
875
876
877